Black Mirror Series Four DVD .

All six episodes from the fourth series of the sci-fi anthology drama created by Charlie Brooker which explores the role of technology in modern society. In these episodes, a talented computer programmer utilises his skills to create a fantasy alternative reality centred around his own space fleet, a woman's longing to protect her daughter's innocence using implanted technology begins to destroy their relationship and a dating app leaves a couple feeling lost when they discover their match has an expiry date. The episodes are: 'USS Callister', 'Arkangel', 'Crocodile', 'Hang the DJ', 'Metalhead' and 'Black Museum'.